Patents by Inventor Dong Ok

Dong Ok has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230204354
    Abstract: The inventive concept provides a portable level measuring apparatus. The portable level measuring apparatus includes a sensor module having a sensor unit configured to measure an inclination of a measuring object and a wireless communication unit configured to transmit a measured information which is measured at the sensor unit; and a portable terminal connected to the sensor module through a wireless communication, and which displays the measured information, and wherein the sensor module combines with the portable terminal through a connector and which pairs immediately if separated with the portable terminal.
    Type: Application
    Filed: December 16, 2022
    Publication date: June 29, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Su Jin CHAE, Sang Min HA, Dong Ok AHN, Ho Hyeong LEE, Yong-Jun SEO, Sang Hyun SON, Hyeong Jun CHO
  • Publication number: 20230133648
    Abstract: A composition of aqueous slurry capable of exerting uniform coating on a hydrophobic separator for a secondary battery is disclosed. Unlike other aqueous polymers, a polyvinyl alcohol-based polymer can be physically and chemically bound to a surface of a hydrophobic separator made of polyolefins such as polyethylene, polypropylene, and the like. Therefore, when the aqueous slurry including the polyvinyl alcohol-based polymer is fabricated and a hydrophobic separator is coated with the aqueous slurry, the hydrophobic separator may be smoothly coated with the aqueous slurry.
    Type: Application
    Filed: April 7, 2022
    Publication date: May 4, 2023
    Inventors: Ju Young KIM, Young Gi LEE, Seok Hun KANG, Young Sam PARK, Dong Ok SHIN, Jae Cheol CHOI
  • Publication number: 20230125653
    Abstract: Disclosed is a composite electrode for an all-solid-state secondary battery. The composite electrode includes a composite positive electrode and a composite negative electrode, wherein each of the composite positive electrode and the composite negative electrode includes an electrode active material, and an ion-conducting composite binder configured to include an inorganic ion conductor for an ion movement path and an organic ion conductor for binding of the electrode active material.
    Type: Application
    Filed: September 27, 2022
    Publication date: April 27, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong Ok SHIN, Myeong Ju LEE, Young-Gi LEE, Seok Hun KANG, Ju Young KIM, Jimin OH
  • Publication number: 20230116505
    Abstract: The present disclosure relates to an electrochemical sensor including: a substrate: a plurality of working electrodes formed on the substrate; and a single reference electrode formed on the substrate, wherein a separation distance between the single reference electrode and the plurality of working electrodes formed around the reference electrode satisfies Equation 1 below, and a method for manufacturing the same.
    Type: Application
    Filed: March 2, 2021
    Publication date: April 13, 2023
    Inventors: Seung-Hwan CHON, Dong-Ok KIM, Young-Keun LEE, Soo-Ho CHO
  • Publication number: 20230100373
    Abstract: The inventive concept provides a sensor station. The sensor station includes a body providing an inner space for storing a substrate-type sensor; a power source unit installed at the body and configured to transmit a power to the substrate-type sensor; a processing unit installed at the body and configured to process a data measured by the substrate-type sensor; and a communication unit installed at the body and configured to exchange a data with the substrate-type sensor and a server of a substrate treating system.
    Type: Application
    Filed: September 30, 2022
    Publication date: March 30, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Sang Hyun SON, Yong-Jun SEO, Su Jin CHAE, Dong Ok AHN, Jae Hong KIM
  • Publication number: 20230100845
    Abstract: Provided is a cellulose derivative composition for an all-solid-state secondary battery binder including a compound represented by Formula 1 below according to the inventive concept. In Formula 1, R1, R1?, R2, R2?, R3, and R3? are each independently any one among a carboxymethyl group, a sulfur substituent, or a phosphorus substituent, in which a monovalent metal is substituted or hydrogen, wherein R1, R2, and R3 is —CH2COOX, , SO3X, —PO3X or —PO3X2 where X may be any one among sodium (Na), potassium (K), rubidium (Rb), or cesium (Cs). R1?, R2?, and R3? is —CH2COOY, —SO3Y, —PO3Y or —PO3Y2 where Y may be lithium (Li).
    Type: Application
    Filed: September 15, 2022
    Publication date: March 30, 2023
    Inventors: Dong Ok SHIN, Young-Gi Lee, Jaecheol Choi, Seok Hun Kang, Ju Young Kim, Young Sam Park
  • Patent number: 11616843
    Abstract: An operation method of a first communication node constituting a vehicle network includes transitioning an operation state of the first communication node to a wake-up state when a preconfigured event is detected; determining whether a physical layer collision avoidance (PLCA) function is deactivated; in response to determining that the PLCA function is deactivated, generating a message including an indicator indicating that the PLCA function is deactivated; and transmitting the message.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: March 28, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Dong Ok Kim
  • Publication number: 20230083574
    Abstract: A temperature measuring apparatus with improved accuracy is provided. The temperature measuring apparatus comprises a test substrate having a thermal conductivity, a circuit board layer laminated on the test substrate and including a plurality of through holes exposing a top surface of the test substrate, bonding agent disposed in the plurality of through holes and having a thermal conductivity, and a plurality of sensors disposed on the bonding agent and for measuring a temperature.
    Type: Application
    Filed: May 5, 2022
    Publication date: March 16, 2023
    Inventors: Yong Jun SEO, Sang Hyun SON, Su Jin CHAE, Dong Ok AHN
  • Publication number: 20230083742
    Abstract: An all-solid-state battery for an ion-conducting binder evaluation system for a secondary battery may comprise: an electrode manufactured with an electrode composition, which includes electrode active materials and a binder, so that ion transport in the electrode is dependent on a mechanism of ion diffusion between the electrode active materials by excluding an electrolyte component from the electrode; a counter electrode disposed to face the electrode; and a solid electrolyte layer disposed between the electrode and the counter electrode, wherein a pore density of the electrode, which is an electrolyte-free electrode, is less than or equal to 15% of an electrode bulk density.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 16, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong Ok SHIN, Young Gi LEE, Jae Cheol CHOI, Ju Young KIM, Seok Hun KANG, Young Sam PARK
  • Patent number: 11599281
    Abstract: A data processing apparatus and a vehicle having the same are provided. A data processing apparatus of a vehicle includes: a first memory having a plurality of storage areas to which each address of a plurality of addresses is allocated; and a processor configured to confirm information of data received from a first device, confirm an address corresponding to the received data based on the confirmed information of data, and store the received data in a storage area of the plurality of storage areas corresponding to the confirmed address.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: March 7, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Dong Ok Kim
  • Patent number: 11577506
    Abstract: Disclosed are an apparatus and a method for quickly and accurately inspecting a droplet on a substrate. An apparatus for inspecting a droplet on a substrate according to an exemplary embodiment of the present disclosure includes: an ultrasonic sensor configured to apply an ultrasonic wave to a droplet on the substrate and detect an ultrasonic wave reflected from the substrate; and a processor configured to acquire a height of the droplet at each position on the substrate on the basis of a signal of the ultrasonic wave reflected from the droplet on the substrate, calculate a volume of the droplet on the basis of the heights of the droplet at the positions, and store or output data in relation to the volume of the droplet. The embodiment of the present disclosure may calculate the volume of the droplet using the ultrasonic wave, thereby quickly and accurately inspecting the droplet on the substrate.
    Type: Grant
    Filed: September 5, 2021
    Date of Patent: February 14, 2023
    Assignee: SEMES CO., LTD.
    Inventors: Kwang Sup Kim, Dong Ok Ahn, Jong Min Lee, Jun Ho Oh, Ji Hoon Yoo, Young Ho Park
  • Patent number: 11477746
    Abstract: An operation method of a first communication node operating as a current reference grand master (GM) node in a vehicle network includes: transmitting a first synchronization message including a first reference time of the first communication node; receiving a first response message from a second communication node, the first response message including a first synchronization offset indicating a difference between a first local time of the second communication node and the first reference time; receiving a second response message from the second communication node, the second response message including a second synchronization offset indicating a difference between the first local time and a second reference time of a third communication node operating as a GM node; and determining the first communication node or the third communication node as a new reference GM node based on a result of comparison between the first synchronization offset and the second synchronization offset.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: October 18, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun
  • Patent number: 11418104
    Abstract: Disclosed are a current measurement method for a three-phase pulse width modulation inverter using a real-time switch junction temperature estimation technique, and a three-phase pulse width modulation inverter system. The current measurement method may comprise the steps of: calculating a power loss of a switch of an inverter; estimating the junction temperature (T j) of the switch by using a thermal equivalent circuit; estimating a resistance (R ds on) value between both ends of a drain and a source by using a resistance (R ds on) map based on the junction temperature (T j); and using, as a control signal of the inverter, a current value calculated based on the estimated resistance (R ds on) value.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: August 16, 2022
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Geun Ho Lee, Jae Yeob Hwang, Hee Sun Lim, Dong Gil Kang, Dong Ok Kim
  • Publication number: 20220221494
    Abstract: Disclosed are a current measurement method for a three-phase pulse width modulation inverter using a real-time switch junction temperature estimation technique, and a three-phase pulse width modulation inverter system. The current measurement method may comprise the steps of: calculating a power loss of a switch of an inverter; estimating the junction temperature (T j) of the switch by using a thermal equivalent circuit; estimating a resistance (R ds on) value between both ends of a drain and a source by using a resistance (R ds on) map based on the junction temperature (T j); and using, as a control signal of the inverter, a current value calculated based on the estimated resistance (R ds on) value.
    Type: Application
    Filed: October 23, 2020
    Publication date: July 14, 2022
    Inventors: Geun Ho LEE, Jae Yeob HWANG, Hee Sun LIM, Dong Gil KANG, Dong Ok KIM
  • Patent number: 11336470
    Abstract: An operation method of a first end node of an Ethernet-based vehicle network is provided. The operation method includes detecting a local event and transitioning an operation state of a physical layer (PHY) of the first end node from a sleep state to a wake-up state. A pseudo PHY identifier (ID) is configured as a PHY ID of the first end node in response to the first end node operating in the wake-up state. A first beacon including the pseudo PHY ID is then transmitted and the first beacon indicates that the first end node operates in the wake-up state.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 17, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Seung Su Kim, Jin Hwa Yun
  • Publication number: 20220140346
    Abstract: Provided is a cellulose derivative composition for a secondary battery binder, a method of preparing a composition for a secondary battery electrode, including the same, and a secondary battery including the same. According to the inventive concept, the cellulose derivative composition for a secondary battery binder may include a compound represented by Formula 1 below.
    Type: Application
    Filed: August 20, 2021
    Publication date: May 5, 2022
    Inventors: Young-Gi LEE, Dong Ok SHIN, Yong Min LEE, Seoungwoo BYUN, Juhye SONG, Kwang Man KIM, Dohwan KIM, Ju Young KIM, Jimin OH
  • Patent number: 11320891
    Abstract: An operation method of a communication node in an Ethernet-based vehicle network, the communication node including a regulator, a physical (PHY) layer unit, and a processor, includes outputting, by the processor, a first signal to initiate a supply of power to the communication node; outputting, by the processor, a second signal to initiate a transition of the communication node from a normal mode to a sleep mode; and transitioning, by the PHY layer unit, the communication node from the normal mode to the sleep mode when the second signal is received at the PHY layer unit from the processor.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 3, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Woo Yu, Jin Hwa Yun, Kang Woon Seo, Jun Byung Chae, Dong Ok Kim
  • Publication number: 20220131150
    Abstract: Provided is a cellulose derivative composition for a secondary battery binder, a method of preparing a composition for a secondary battery electrode, including the same, and a secondary battery including the same. According to the inventive concept, the cellulose derivative composition for a secondary battery binder may include a compound represented by Formula 1 below.
    Type: Application
    Filed: August 27, 2021
    Publication date: April 28, 2022
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Young-Gi LEE, Sung You HONG, Min Pyeong KIM, Dong Ok SHIN, Ju Young KIM, Juhye SONG, Ho Seung LEE
  • Publication number: 20220131181
    Abstract: Provided is a method for manufacturing a solid secondary battery, wherein the method includes forming a composite electrolyte film, and forming a positive electrode and a negative electrode respectively on both surfaces of the composite electrolyte film. The forming of a composite electrolyte film includes preparing inorganic ion conductor powder coated with an ion resistance layer, removing the ion resistance layer to expose the surface of the inorganic ion conductor powder, mixing the inorganic ion conductor powder with an organic ion conductor and a solvent to prepare a composite electrolyte solution, and removing the solvent from the composite electrolyte solution.
    Type: Application
    Filed: August 10, 2021
    Publication date: April 28, 2022
    Inventors: Dong Ok SHIN, Young-Gi LEE, Myeong Ju LEE, Seok Hun KANG, Kwang Man KIM, Jumi KIM, Ju Young KIM, Jimin OH
  • Publication number: 20220131233
    Abstract: Provided is a method of preparing a coating composition for a separator of a secondary battery, and particularly a method including dispersing a first monomer and a surfactant in a solvent to form micelles, adding a first initiator to the solvent and performing first polymerization reaction to form a precursor solution including an emulsion-type binder, and adding a second monomer and a second initiator to the precursor solution and performing second polymerization reaction to form an aqueous binder solution including a solution-type binder, wherein the emulsion-type binder has a core shape, the solution-type binder has a shell shape wrapping the emulsion-type binder, and the emulsion-type binder and the solution-type binder are chemically bonded.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 28, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young-Gi LEE, Ju Young KIM, Seok Hun KANG, Kwang Man KIM, YOUNG SAM PARK, Dong Ok SHIN